204879961

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{409}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 251274240

約数和(自身を除く): 46394279

約数列:

[1, 11, 13, 31, 113, 143, 341, 403, 409, 1243, 1469, 3503, 4433, 4499, 5317, 12679, 16159, 38533, 45539, 46217, 58487, 139469, 164827, 500929, 508387, 600821, 1432727, 1813097, 6609031, 15759997, 18625451, 204879961]

約数ペア:

[(1, 204879961), (11, 18625451), (13, 15759997), (31, 6609031), (113, 1813097), (143, 1432727), (341, 600821), (403, 508387), (409, 500929), (1243, 164827), (1469, 139469), (3503, 58487), (4433, 46217), (4499, 45539), (5317, 38533), (12679, 16159)]